1.   After she had polished the furniture, she cleaned the windows.

2.   As it happens, the most convincing way of pretending to clean a window is to actually do so.

3.   Before she cleaned the windows, she polished the furniture.

4.   I clean the windows every Saturday.

5.   I usually clean the windows about once a month.

6.   Jake does odd jobs around the house - mowing the lawn, cleaning the windows and so on and so forth.

7.   They dusted and polished the furniture, washed the floor, cleaned the windows and hung up new curtains and cleared out all the cupboards.

8.   Yes, he cleans her windows as well.

9.   Madge was cleaning the windows!

10.   And sometimes she cleans windows very high up.